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Biliary Magnesium Loss in the Postoperative Patient

Biliary Magnesium Loss in the Postoperative Patient Abstract Samples of serum and biliary drainage were obtained from biliary surgical patients and patients who did not undergo operation to assess the magnitude of magnesium loss and to determine whether serum and biliary magnesium concentrations differed with increasing levels of jaundice. Magnesium concentrations in biliary drainage varied more and were slightly lower than serum magnesium concentrations. Only in the icteric group of patients was the difference between serum and biliary drainage magnesium concentration significant (P<.001). Depleted body stores of magnesium not reflected in the serum values of these patients and active uptake of the ion by the hepatobiliary system may account for the lower bile magnesium concentration found in this group. In the absence of large volumes or prolonged courses of external biliary drainage, magnesium losses in bile would not seem to be a serious source of hypomagnesemia in the postoperative patient. References 1. Graham LA, Caesar JJ, Burger ASV: Gastrointestinal absorption and excretion of magnesium28 in man . Metabolism 9:646-659, 1960. 2. Thoren L: Magnesium deficiency in gastrointestinal fluid loss . Acta Chir Scand , (suppl 306) , pp 24-43, 1963. 3. Mangiantini MT, Leoni S, Spagnuolo S: Role of the liver in the regulation of the plasmatic concentration of magnesium Boll Soc Ital Biol Sper 47:341-345, 1971. 4. Wallach S, Gamponia PJ, Ahmed SA: Net movement of calcium and magnesium in slices of rat liver . J Gen Physiol 56:716-731, 1970.Crossref 5. Barnes BA: Magnesium conservation: A study of surgical patients . Ann NY Acad Sci 162:786-801, 1969.Crossref http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Archives of Surgery American Medical Association

Biliary Magnesium Loss in the Postoperative Patient

Archives of Surgery , Volume 109 (1) – Jul 1, 1974

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Publisher
American Medical Association
Copyright
Copyright © 1974 American Medical Association. All Rights Reserved.
ISSN
0004-0010
eISSN
1538-3644
DOI
10.1001/archsurg.1974.01360010055013
Publisher site
See Article on Publisher Site

Abstract

Abstract Samples of serum and biliary drainage were obtained from biliary surgical patients and patients who did not undergo operation to assess the magnitude of magnesium loss and to determine whether serum and biliary magnesium concentrations differed with increasing levels of jaundice. Magnesium concentrations in biliary drainage varied more and were slightly lower than serum magnesium concentrations. Only in the icteric group of patients was the difference between serum and biliary drainage magnesium concentration significant (P<.001). Depleted body stores of magnesium not reflected in the serum values of these patients and active uptake of the ion by the hepatobiliary system may account for the lower bile magnesium concentration found in this group. In the absence of large volumes or prolonged courses of external biliary drainage, magnesium losses in bile would not seem to be a serious source of hypomagnesemia in the postoperative patient. References 1. Graham LA, Caesar JJ, Burger ASV: Gastrointestinal absorption and excretion of magnesium28 in man . Metabolism 9:646-659, 1960. 2. Thoren L: Magnesium deficiency in gastrointestinal fluid loss . Acta Chir Scand , (suppl 306) , pp 24-43, 1963. 3. Mangiantini MT, Leoni S, Spagnuolo S: Role of the liver in the regulation of the plasmatic concentration of magnesium Boll Soc Ital Biol Sper 47:341-345, 1971. 4. Wallach S, Gamponia PJ, Ahmed SA: Net movement of calcium and magnesium in slices of rat liver . J Gen Physiol 56:716-731, 1970.Crossref 5. Barnes BA: Magnesium conservation: A study of surgical patients . Ann NY Acad Sci 162:786-801, 1969.Crossref

Journal

Archives of SurgeryAmerican Medical Association

Published: Jul 1, 1974

References